| 1 | Narrator | | Protagonist. A man with insomnia. |
| | Tyler | Durden | Movie projectionist. The narrator's best friend. |
| | | | Project Mayhem - People
training to bring down civilization. |
| | Marla | Singer | The girl the narrator and Tyler's in love with. |
| 2 | Bob | | Narrator's friend from Remaining Men Together support group. |
| | Art | | Member of the Remaining Men Together support group. |
| | Paul | | Member of the Remaining Men Together support group. |
| | Alice | | Member of the first support group the narrator attended. |
| | Brenda | | Member of the first support group the narrator attended. |
| | Dover | | Member of the first support group the narrator attended. |
| | Chloe | | The little skeleton woman who seduced the narrator. |
| 4 | Glenda | | Chloe's sister. |
| 5 | The Security | Guy | The man who confronts the narrator in the airport. |
| | The | Doorman | Hotel doorman. |
| 6 | Ellen | | Microsoft consultant. The narrator's colleague. |
| | Walter | | Member of the Fight Club. The narrator's colleague. |
| | Nobert | | The narrator's colleague. |
| | Linda | | The narrator's colleague. |
| | | | Fight Club - A secret group the narrator and Tyler formed. |
| | The | Boss | The narrator's boss. |